Lower back portion of a golf iron



FIG. 1 is a perspective view of a design for a fragmentary portion of the lower back portion of a golf iron;

FIG. 2 is a rear elevation of the design shown in FIG. 1;

FIG. 3 is a toe elevation of the design shown in FIG. 2;

FIG. 4 is a planar cross-section taken along lines 4—4 in FIG. 2;

FIG. 5 is a planar cross-section taken along lines 5—5 in FIG. 2; and,

FIG. 6 is a planar cross-section taken along lines 6—6 in FIG. 2.

The broken line showing is included for the purpose of illustrating and forms no part of the claimed design. 

The ornamental design for the lower back portion of a golf iron, as shown and described. 